2 layers50.8 × 28.6 mm
Beaglebone obd
KoffeinFlummi/rustbucket
Access your car's diagnostics with a BeagleBone Blue and Rust.
20 parts60GPL-3.0
2 layers
Self watering fermenter
markopfell/lifeselfwateringfermenter.drawio Roughly diagrams the structural, and non electronic connections to the other parts of the system
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 6
- Nets
- 84
- Pads
- 97
- Tracks, vias
- 0, 0
- Routed
- Not yet
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 11 Dec 2018
- Updated
- 1 Nov 2026
Overview
Self watering fermenter is an open-source printed circuit board by markopfell, from the markopfell/life repository on GitHub, published under the MIT licence. It is a 2-layer board with 6 parts on 84 nets.
It is built around the IRLB8721PBF. Its parts include 2 ICs, 2 diodes and 1 transistor. It belongs with the RP2040 boards of this library.
Main components
1README
work/electrical_engineering/self_watering_fermenter/readme.mdreadme.md the readme you are reading
self_watering_fermenter.drawio Roughly diagrams the structural, and non electronic connections to the other parts of the system
(self_watering_fermenter_diagram.drawio.svg.png)
.kicad_sch self watering circuit schematic
RPI_PICO-20231005-v1.21.0.uf2 For flashing micropython on a raspberry pi pico main.py necessary file name micropython uses to run upon boot and is the self watering fermenter code
Theory of operation is described: https://docs.google.com/document/d/1Th5y-gPPo2V6W9uRYwj1-cUWkCRWNlDgZwDqT0uh-yE/edit?tab=t.0 Pictures TBD
Parts
6| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 1N4004 | Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal | D1, D3 |
| 2 | LM317_TO-220 | Package_TO_SOT_THT:TO-220-3_Vertical | U1, U2 |
| 1 | IRLB8721PBF | Package_TO_SOT_THT:TO-220-3_Vertical | Q1 |
| 1 | RaspberryPi_Pico | Module:RaspberryPi_Pico_Common_Unspecified | A1 |
Questions
What parts does the Self watering fermenter use?
6 parts, built around the IRLB8721PBF. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Self watering fermenter KiCad files?
From the markopfell/life repository on GitHub, at the commit this page was made from: the board is work/electrical_engineering/self_watering_fermenter/self_watering_fermenter.kicad_pcb and its schematic work/electrical_engineering/self_watering_fermenter/self_watering_fermenter.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Self watering fermenter design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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